Storm Shelters & Safe Rooms in Oklahoma: Types, Costs, and Rebates

By BoomTownTrades LLC - An Oklahoma Based LLCUpdated October 18, 20263 min read

Few places on earth see as many tornadoes as central Oklahoma. A storm shelter or safe room is one of the most valuable upgrades an Oklahoma homeowner can make — for safety and peace of mind.

The main types

In-ground garage shelters

A steel or concrete box set into a hole cut in your garage floor, with a sliding door. Popular because it's inside, quick to reach, and takes little space when closed.

✅ Fast to reach, out of the weather
⚠️ Can be harder for people with limited mobility; needs drainage planning

Outdoor in-ground (underground) shelters

Buried in the yard with a door at ground level.

✅ Larger capacity options
⚠️ You have to go outside to reach it; possible water intrusion

Above-ground safe rooms

Steel or reinforced-concrete rooms installed in a garage, closet, or new addition.

✅ Accessible — no stairs; can double as storage or a closet
⚠️ Usually costs more; needs proper anchoring to a suitable slab

What to look for

Built and tested to ICC 500 (the national standard for storm shelters) and FEMA's safe-room criteria — FEMA P-320 is FEMA's guide for residential safe rooms, and FEMA P-361 covers the design criteria. Ask the installer for the manufacturer's ICC 500 test documentation.
Third-party testing documentation (debris-impact testing)
Proper anchoring and a slab that meets the manufacturer's specs
Ventilation and a door that opens even if debris piles up
Register your shelter so first responders know where to check after a storm. Oklahoma City and Tulsa each run an online storm shelter registry for homes inside city limits, and Cleveland County (including Norman and Moore) offers a county shelter registry form. Outside those areas, ask your city or county emergency management office.

What drives the cost

Instead of quoting numbers that change every season, here are the factors that move the price:

Shelter type (garage in-ground vs. outdoor vs. above-ground)
Size / occupant capacity
Material (steel vs. concrete)
Site work: cutting slab, excavation, rock, drainage
Accessibility features (ramps, wider doors)
Permits and inspections

Get at least two written quotes and make sure they include installation, permit, cleanup, and anchoring.

Rebate programs to check

The SoonerSafe Safe Room Rebate Program, run by the Oklahoma Department of Emergency Management (OEM) with FEMA hazard-mitigation funding, has offered rebates of up to 75% of the cost, capped at $3,000. Key points:

It is not open year-round — registration windows open when funding is available.
Recipients are picked by random drawing; registering doesn't guarantee a rebate.
You must be selected before you install. Existing shelters don't qualify.
It's a reimbursement: you pay the installer, then submit paid invoices and documentation.
You must own the home (and the land) and it must be your primary residence.

Some cities have also offered their own programs after major tornadoes. Check the OEM SoonerSafe page for the current status before signing a contract.

Questions to ask an installer

Is this shelter tested to FEMA P-361 / ICC 500?
Who pulls the permit?
How do you handle drainage?
What's the warranty on the shelter and the installation?
Can you show photos of shelters you've installed nearby?

Find local pros

Shelter installation often involves concrete cutting, excavation, and slab work. Browse local contractors with real job photos:

Concrete contractors · Contractors in Moore · Oklahoma City · Norman

Sources

General information only. Follow manufacturer and local code requirements.